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Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approxomation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
FW =
Freshwater
L =
Land
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
Bivalvia - Anomalodesmata - Pholadomyoida - Family: Myochamidae

Myochamidae

 

Genus: Hunkydora

 
Width 30mm, Height 19mm
North, South and Stewart Island. In beach drift and dredged from around 5 to over 500 metres [ACFE.]
 
Hunkydora rakiura Marshall, 2002
Stewart Island, Paterson Inlet [FE.]
 

Genus: Myadora

 
Myadora antipodum E.A.Smith, 1880
Width 14mm, Height 9mm
North, South and Chatham Islands. Dredged from around 20-200 metres [ACFME.]
 
Myadora boltoni E.A.Smith, 1880
Width 15mm, Height 10mm, Almost smooth shell surface
North and South Island, in fine silty sand [ACE.]
Myadora novaezelandiae E.A.Smith, 1880
Width 10mm, Height 8mm
North, South, Stewart, Snares and Chatham Islands. Dredged from 45-180 metres [ACFMAnE.]
Myadora striata (Quoy & Gaimard, 1835)
Width 42mm, Height 35mm
North, South and Stewart Island. At low tide and shallow water [ACFE.]
Myadora subrostrata E.A.Smith, 1880
Width 18mm, Height 14mm
North, South, Stewart and Chatham Islands. From around 25-180 metres [ACFME.]

Genus: Myadoropsis

 
Myadoropsis wairua Marshall, 2002
Length 5.1mm
N of Three Kings Islands [AE.]
 

Genus: Myochama

 
Myochama tasmanica (Tenison Woods, 1877)
Width 18mm, Height 15mm
Far North and Northland. East Otago, Fiordland to Stewart Island. Attached to bivalves. Also southern Tasmania [AF]